Policies

The terms you buy under. Every commercial figure on these pages — shipping windows, the returns period, the warranty term — is the one the product pages and our product feed state.

• Shipping policy

  Free shipping on every order within the United States. Dispatch in 1 business day (Mon–Fri), delivery in 1–3 business days (Mon–Fri).

  Updated 12 September 2026

• Returns & refunds

  90-day returns on unopened, factory-sealed cylinders, cans, water heaters, boilers, heaters and accessories. Opened refrigerant cannot be returned. Refunds within 7 business days of inspection.

  Updated 12 September 2026

• Warranty

  30-day defect & leak replacement. Cover for defective cylinders, valves and fill — not for the equipment the refrigerant is charged into.

  Updated 12 September 2026

• Order acceptance & cancellation

  When an order becomes binding, and the circumstances in which we may decline or cancel one.

  Updated 12 September 2026

• Payment & security

  Payments are processed by Stripe on their own hosted checkout. Card details never reach this site.

  Updated 12 September 2026

• Refrigerant compliance

  Who may buy regulated refrigerants, what we ask of you, and how we handle state restrictions.

  Updated 12 September 2026

• Privacy policy

  What Sentai Gas collects when you buy, why, and who else sees it.

  Updated 12 September 2026

• Terms of service

  The terms you agree to when you buy from sentaigas.com.

  Updated 12 September 2026